Apartment Building, Residential Sprinklers make the difference in apartment fire (Woodbury, MN) August 5, 2013 viking210 A fire broke out in the kitchen of an apartment, and the building’s fire sprinkler activated, containing the flames to the one apartment unit. Fire crews are giving the credit to the unit’s fire sprinklers for keeping the fire from destroying other units. “It could have been ugly,” Woodbury fire department Cmdr. John Wallgren said. No injuries were reported.